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Hippoglossoides elassodon:   (click for more)

Hippoglossoides elassodon:   (click for more)

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Synonyms
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  • Hippoglossoides elassodon elassodon  Schmidt, 1915: 307.
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  • Hippoglossoides (Cynopsetta) elassodon  Hubbs, 1918: 373.
    FAO Names
    En - Flathead sole, Fr - Balai du Japon, Sp - Platija japonesa.
    3Alpha Code: FTS     Taxonomic Code: 1830201404
    Diagnostic Features
    Body ovate or rather elongate, compressed. Snout as long as or shorter than eye; anterior margins of eyes about level. Maxillary extending to below middle of eye or beyond; lower jaw a little projecting; outline of upper jaw evenly curved.  Gillrakers (14) 15 to 18 (19) on lower part of anterior arch.  Scales rather strongly ctenoid on ocular side, mostly cycloid on blind side; 87 to 94 in lateral line.  Dorsal finrays (76) 79 to 86; origin above anterior margin of eye. Anal finrays 60 to 67 (69). Pectoral of ocular side with 10 to 12 rays, length about twice in that of head. Caudal with 18 rays (12 branched), rounded or double-truncate; caudal peduncle as long as deep or a little deeper than long.  Colour brownish with or without darker spots; fins greyish, spotted and blotched with darker. 
    Geographical Distribution

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    Pacific coast of North America, from the Bering Sea to Cape Flattery (California); Okhotsk Sea.
    Habitat and Biology
    On soft bottomsat 6 to 549 m; adults usually below 180 m.Feeds on annelids, crustaceans, and molluscs.
    Size
    Attains 50 cm; common about 25-30 cm.
    Interest to Fisheries
    Comercial fisheries and gamefish. Caught with bottom trawls and line gear. The most common fishing techniques are "demersal bottom trawling" and "small flatfish (flounders, soles) bottom trawling". The total catch reported for this species to FAO for 1999 was 14 318 t. The countries with the largest catches were USA (14 318 t).
    Local Names
    English : Cigarette paper ,  Flathead sole ,  Paper sole .
    Japanese : Umagarei .
    Polish : Plaskoglów .
    Bibliography
    Catalog On Line. Fishbase: ICLARM . Eschmeyer, W.N., E.S. Herald & H. Hammann. - 1983A field guide to Pacific coast fishes of North America. Petersen Field Guide Series. Nº 28: i-xii+1-336 pp. 
    Norman, J. R. - 1934A systematic monograph of the flatfishes (Heterosomata). Vol. I: London: 459 pp.
    Sakamoto, K. - 1984 Pleuronectidae. In: H. Masuda; K. Amaoka; C. Araga; T. Uyeno; T. Yoshino (eds.). The Fishes of the Japanese Archipelago. Tokai. Univ. Press. 351-354.
     
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